Silent deslagging device for rotary drilling rig

Abstract

The utility model relates to the technical field of pile foundation construction equipment, and discloses a silent deslagging device for a rotary drilling rig, which comprises a drill rod and a barrel body arranged at the lower part of the drill rod, a barrel disc capable of automatically opening and closing is arranged at the bottom of the barrel body, and a hydraulic cylinder is fixedly connected with the upper surface of the barrel body through a bolt. A push rod of the hydraulic air cylinder penetrates through the barrel and is fixedly connected with a slag discharging disc, and a wall scraping assembly is installed on the lower portion of the slag discharging disc. The problem that noise is large when a rotary drilling rig cleans a barrel type drilling bucket is solved, and meanwhile the hidden danger that muck is stuck in a barrel and is difficult to clean is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation construction equipment, in particular to a silent slag discharge device for a rotary drilling rig. Background Art

[0002] The rotary drilling rig uses a barrel-type drill bucket. After the drill rig is in place, the verticality of the drill rod is adjusted, the prepared mud is injected, and then the hole is drilled. When the drill bucket drops to the predetermined depth, pressure is applied to the rotating drill bucket to squeeze the soil into the drill bucket. When the instrument automatically displays that the bucket is full, the bottom of the drill bucket is closed, the barrel-type drill bucket is lifted out of the hole, the bottom barrel plate is opened, and the barrel is shaken to make the slag in the barrel fall to the stacking location.

[0003] Disadvantages of rotary drilling rigs using barrel-type drill buckets: 1. Loud noise: When drilling in the hole, the noise underground cannot have an impact, and the noise is mainly generated by shaking the barrel bucket outside the hole to unload the dirt in the barrel. The noise cannot meet the conditions for construction in residential areas, and can only shorten the construction time and ensure the living conditions of residents, which has a great impact on the construction period; 2. Difficulty in cleaning the barrel: Because the barrel bucket unloads the dirt by shaking itself, it is impossible to completely unload the dirt. The dirt will block the barrel bucket. When construction is located in a corrosive area, it will also corrode the barrel bucket, accelerating the wear of the barrel bucket, requiring manual regular cleaning and complicated cleaning. Utility Model Content

[0004] In order to solve the above problems of the prior art, the utility model provides a silent slag discharge device for a rotary drilling rig, which solves the problem of loud noise when cleaning the barrel drill bucket of the rotary drilling rig, and solves the hidden danger of slag stuck in the barrel and difficult to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silent slag discharge device for a rotary drilling rig, comprising a drill rod and a cylinder installed at the lower part of the drill rod, a cylinder plate that can be opened and closed automatically is installed at the bottom of the cylinder, a hydraulic cylinder is fixedly connected to the upper surface of the cylinder by bolts, a push rod of the hydraulic cylinder passes through the cylinder and is fixedly connected to the slag discharge plate, and a wall scraper assembly is installed at the lower part of the slag discharge plate.

[0006] The above-mentioned structural design is adopted, and the barrel is modified according to its structural form. A hydraulic cylinder and a slag discharge plate are installed to push out the slag in the barrel. A silent slag discharge device is used instead of shaking the barrel to discharge slag, which solves the problem of noise generated by shaking of the barrel. The rotary drilling rig can also be used for construction at night without affecting the residential environment and greatly shortening the construction period.

[0007] Preferably, the scraper assembly includes a mounting plate adsorbed on the lower surface of the slag discharge plate by a magnet, the lower part of the mounting plate is fixedly connected to a fixing frame, a rotating motor is arranged in the fixing frame, the output end of the rotating motor is fixedly connected to a connecting rod, the connecting rod is arranged horizontally and scrapers are arranged at both ends of the connecting rod, and the scrapers are close to the inner wall of the cylinder.

[0008] With the above-mentioned structural design, in order to ensure that the slag plate can rise and fall smoothly inside the bucket, a gap must be set between the outer edge of the slag plate and the inner wall of the bucket. Therefore, it is difficult for the slag plate to completely push out the soil adhering to the inner wall of the bucket. After the slag plate has pushed out most of the slag in the bucket, the scraper assembly is installed. During the process of pushing the slag plate downward, the scraper rotates close to the wall of the bucket and scrapes off the soil adhering to the inner wall of the bucket, thereby ensuring the cleaning effect of the device and avoiding the corrosion of the bucket by corrosive slag due to unclean cleaning, thereby accelerating the wear of the bucket.

[0009] Preferably, the scraper is fixedly connected to the side surface of the scraper close to the inner wall of the cylinder with a plurality of vertically arranged rubber scrapers.

[0010] By adopting the above structural design and arranging the rubber scraper, the scraper can better contact the inner wall of the bucket, thereby improving the cleaning effect and accelerating the cleaning speed.

[0011] Preferably, two hydraulic cylinders are symmetrically arranged with the drill rod as the axis.

[0012] With the above structural design, two symmetrically arranged hydraulic cylinders can push the slag discharge plate more smoothly, thereby increasing the practicability of the device.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The bucket is modified according to its structure, and a hydraulic cylinder and a slag discharge plate are installed to push the slag out of the bucket. A silent slag discharge device is used instead of shaking the bucket to discharge slag, which solves the problem of noise caused by shaking of the bucket. The rotary drilling rig can also be used for construction at night without affecting the residential environment, greatly shortening the construction period.

[0015] 2. In order to ensure that the slag plate can rise and fall smoothly inside the bucket, there must be a gap between the outer edge of the slag plate and the inner wall of the bucket. Therefore, it is difficult for the slag plate to completely push out the soil adhering to the inner wall of the bucket. After the slag plate pushes out most of the slag in the bucket, the scraper assembly is installed. During the process of pushing the slag plate downward, the scraper rotates close to the wall of the bucket and scrapes off the soil adhering to the inner wall of the bucket, ensuring the cleaning effect of the device and avoiding the corrosion of the bucket by corrosive slag due to unclean cleaning, thereby accelerating the wear of the bucket. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the wall scraping assembly of the utility model. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 The utility model provides a technical solution: a silent slag discharge device for a rotary drilling rig, comprising a drill rod 1 and a barrel 2 installed at the lower part of the drill rod 1, a barrel disc 21 that can be opened and closed automatically installed at the bottom of the barrel 2, a hydraulic cylinder 3 fixedly connected to the upper surface of the barrel 1 by bolts, a push rod of the hydraulic cylinder 3 passes through the barrel 2 and is fixedly connected to a slag discharge disc 4, and a wall scraper assembly 5 is installed at the lower part of the slag discharge disc 4. The barrel bucket is modified according to its structural form, and a hydraulic cylinder 3 and a slag discharge disc 4 are added to push out the slag in the barrel. A silent slag discharge device is used instead of shaking the barrel 2 to discharge slag, which solves the problem of noise generated by shaking of the barrel 2, so that the rotary drilling rig can also be constructed at night without affecting the residential environment, and the construction period is greatly shortened.

[0021] The wall scraping assembly 5 comprises a mounting plate 55 adsorbed on the lower surface of the slag plate 4 by a magnet 56, a fixing frame 53 is fixedly connected to the lower part of the mounting plate 55, a rotating motor 54 is arranged in the fixing frame 53, a connecting rod 52 is fixedly connected to the output end of the rotating motor 54, the connecting rod 52 is arranged horizontally and scrapers 51 are arranged at both ends of the connecting rod 52, and the scrapers 51 are close to the inner wall of the cylinder 2. In order to ensure that the slag plate 4 is smoothly raised and lowered inside the cylinder 2, a gap must be arranged between the outer edge of the slag plate 4 and the inner wall of the cylinder 2, so that the slag plate 4 is also difficult to completely push out the soil adhered to the inner wall of the cylinder 2. After the slag plate 4 pushes out most of the slag in the cylinder 2, the wall scraping assembly 5 is installed. In the process of pushing the slag plate 4 downward, the scraper 51 rotates close to the cylinder wall to scrape off the soil adhered to the inner wall of the cylinder 2, thereby ensuring the cleaning effect of the device and avoiding the corrosion of the cylinder bucket by corrosive slag caused by unclean cleaning, thereby accelerating the wear of the cylinder bucket.

[0022] The scraper 51 is fixedly connected to the side of the inner wall of the cylinder 2 with a plurality of vertically arranged rubber scrapers 57. The rubber scrapers 57 can make the scraper 51 contact the inner wall of the cylinder 2 better, improve the cleaning effect, and speed up the cleaning speed.

[0023] The hydraulic cylinders 3 are symmetrically arranged with the drill rod 1 as the axis. The symmetrical arrangement of the two hydraulic cylinders 3 can push the slag discharge plate 4 more stably, thereby increasing the practicality of the device.

[0024] Working principle: During the drilling process of the drilling rig, when the instrument automatically shows that the inside of the cylinder 2 is filled with debris, the bottom of the drill bucket is closed, the cylindrical drill bucket is lifted out of the hole to open the bottom cylinder plate 21, and the hydraulic cylinder 3 is started to move the slag plate 4 set inside the cylinder 2 downward, and most of the debris is pushed out from the bottom of the cylinder 2. This process is relatively silent, which solves the problem of noise generated by shaking of the cylinder 2 in the traditional soil cleaning method. There is a gap between the outer edge of the slag plate 4 and the inner wall of the cylinder 2, and it is difficult for the slag plate 4 to completely push out the soil adhered to the inner wall of the cylinder 2. After the slag plate 4 pushes out most of the slag in the cylinder 2, the scraper assembly 5 is adsorbed on it. After the slag plate 4 rises to the upper part of the cylinder 2 with the scraper assembly 5, the hydraulic cylinder 3 and the rotating motor 54 are started. In the process of pushing the slag plate 4 downward, the scraper 51 rotates closely against the cylinder wall to scrape off the soil adhered to the inner wall of the cylinder 2, thereby ensuring the cleaning effect of the device and avoiding the corrosion of the cylinder bucket by corrosive slag caused by unclean cleaning, thereby accelerating the wear of the cylinder bucket.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. Although the present utility model is described in detail with reference to the above embodiments, it is still possible for the technical solutions recorded in the above embodiments to be modified, or some of the technical features therein to be replaced by equivalents, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A silent slag removal device for a rotary drilling rig, comprising a drill rod (1) and a cylinder (2) mounted at the bottom of the drill rod (1), wherein a cylinder disc (21) that can be opened and closed automatically is mounted at the bottom of the cylinder (2), characterized in that: The upper surface of the cylinder (2) is fixedly connected to a hydraulic cylinder (3) by bolts; a push rod of the hydraulic cylinder (3) passes through the cylinder (2) and is fixedly connected to a slag discharge plate (4); a wall scraping assembly (5) is installed at the bottom of the slag discharge plate (4).

2. A silent slag discharge device for a rotary drilling rig according to claim 1, characterized in that: The wall scraping assembly (5) comprises a mounting plate (55) adsorbed on the lower surface of the slag discharge plate (4) by a magnet (56); a fixing frame (53) is fixedly connected to the lower part of the mounting plate (55); a rotating motor (54) is arranged in the fixing frame (53); a connecting rod (52) is fixedly connected to the output end of the rotating motor (54); the connecting rod (52) is arranged horizontally and scrapers (51) are arranged at both ends of the connecting rod (52); the scrapers (51) are close to the inner wall of the cylinder (2).

3. A silent slag discharge device for a rotary drilling rig according to claim 2, characterized in that: A plurality of vertically arranged rubber scrapers (57) are fixedly connected to the side surface of the scraper (51) close to the inner wall of the cylinder (2).

4. The silent slag discharge device for a rotary drilling rig according to claim 1, characterized in that: Two hydraulic cylinders (3) are symmetrically arranged with the drill rod (1) as the axis.

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